102112112102 has 64 divisors (see below), whose sum is σ = 208549168128. Its totient is φ = 36206352000.

The previous prime is 102112112033. The next prime is 102112112153. The reversal of 102112112102 is 201211211201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217049 + ... + 501332.

It is an arithmetic number, because the mean of its divisors is an integer number (3258580752).

Almost surely, 2^102112112102 is an apocalyptic number.

102112112102 is an abundant number, since it is smaller than the sum of its proper divisors (106437056026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102112112102 is a wasteful number, since it uses less digits than its factorization.

102112112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718485.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102112112102 its reverse (201211211201), we get a palindrome (303323323303).

Subtracting 102112112102 from its reverse (201211211201), we obtain a palindrome (99099099099).

It can be divided in two parts, 10 and 2112112102, that added together give a palindrome (2112112112).

The spelling of 102112112102 in words is "one hundred two billion, one hundred twelve million, one hundred twelve thousand, one hundred two".